<template>
  <view>
    <!-- 购物车商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>

      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>

    <!-- 商品列表区域 -->
    <uni-swipe-action>
      <block v-for="product in cartItems" :key="product.goods_id">
        <uni-swipe-action-item
          :right-options="swipeOptions"
          @click="swipeActionClickHandler(product)"
        >
          <view class="goods-item">
            <!-- 商品左侧图片区域 -->
            <view class="goods-item-left">
              <radio
                :checked="product.goods_state"
                color="#C00000"
                @click="radioChangeHandler(product)"
              ></radio>

              <image
                :src="product.goods_small_logo || defaultImage"
                class="goods-pic"
              ></image>
            </view>

            <!-- 商品右侧信息区域 -->
            <view class="goods-item-right">
              <!-- 商品标题 -->
              <view class="goods-name">{{ product.goods_name }}</view>

              <view class="goods-info-box">
                <!-- 商品价格 -->
                <view class="goods-price"
                  >￥{{ $format(product.goods_price) }}</view
                >
                <!-- 商品数量 -->
                <uni-number-box
                  :min="1"
                  :value="product.goods_count"
                  @change="changeCount(product, $event)"
                ></uni-number-box>
              </view>
            </view>
          </view>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
  </view>
</template>

<script>
import { mapState } from "vuex";
export default {
  data() {
    return {
      defaultImage:
        "https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png",
      swipeOptions: [
        {
          text: "删除", // 显示的按钮文本
          style: {
            backgroundColor: "#C00000", // 按钮的背景颜色
          },
        },
      ],
    };
  },

  computed: {
    ...mapState("cart", ["cartItems"]),
  },

  methods: {
    radioChangeHandler(product) {
      // 更新商品是否选中的状态
      this.$store.commit("cart/updateState", product);
    },

    changeCount(product, count) {
      // 更新商品的数量
      this.$store.commit("cart/updateCount", {
        product,
        num: +count,
      });
    },
    // 点击了滑动操作按钮
    swipeActionClickHandler(item) {
      console.log(item);
    },
  },
};
</script>

<style lang="scss" scoped>
.cart-title {
  height: 80rpx;
  display: flex;
  align-items: center;
  font-size: 28rpx;
  padding-left: 10rpx;
  border-bottom: 1rpx solid #efefef;
  .cart-title-text {
    margin-left: 20rpx;
  }
}
.goods-item {
  display: flex;
  padding: 20rpx 10rpx;
  border-bottom: 1rpx solid #f0f0f0;
  width: 750rpx;
  box-sizing: border-box;

  .goods-item-left {
    margin-right: 10rpx;
    display: flex;
    justify-content: space-between;
    align-items: center;

    .goods-pic {
      width: 200rpx;
      height: 200rpx;
      display: block;
    }
  }
}
.goods-item-right {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-between;

  .goods-name {
    font-size: 26rpx;
  }

  .goods-info-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .goods-price {
    font-size: 32rpx;
    color: #c00000;
  }
}
</style>
